package StringBuilder与String相互转化;

public class ccc {
	public static void main(String args[]) {
		int i=70;
		if(i>=80&&i<=100) {
			System.out.println("����");
		}else if(i>=70&&i<80) {
			System.out.println("��");
		}else if(i>=60&&i<70) {
			System.out.println("��");
		}else if(i<60) {
			System.out.println("��");
		}
	}
}
